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【简答题】若a=2;b=5; 则关系表达式a>b的值为 。 则关系表达式a>=b的值为 。 则关系表达式a
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【单选题】Don’t ______so often. It’s bad for your health.
A.
get up
B.
stay up
C.
look up
D.
tidy up
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【简答题】若a=2;b=5; 则关系表达式a>b的值为 。 则关系表达式a>=b的值为 。 则关系表达式a